Home / 185,151.88-255,514.26-113,571.37

Finding the Fourth Proportional to 185,151.88, 255,514.26 and 113,571.37

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Solution

The fourth proportional to 185,151.88, 255,514.26 and 113,571.37 is: 156,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,151.88 : 255,514.26 = 113,571.37 : x
  2. Step 2: Convert to fraction form
    185,151.88/255,514.26 = 113,571.37/x
  3. Step 3: Cross multiply
    185,151.88x = 255,514.26 × 113,571.37
  4. Step 4: Simplify right side
    185,151.88x = 29,019,104,562.74
  5. Step 5: Solve for x
    x = 29,019,104,562.74/185,151.88
  6. Step 6: Final answer
    x = 156,731.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.